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JUSTNES, Harald
Production of cement is ranking 3rd in causes of man-made carbon dioxide emissions world-wide. Thus, in order to make concrete more sustainable one may work along one or [...]
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In Japan, coal-fired power is one of the main electric powers along with atomic power and natural gas -fired power. The annual amount of coal used for coal-fired power ge [...]
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By calcination and dehydration of paper sludge, which is a by-product of recycled paper waste, a non toxic mineral with a highly pozzolanic activity is formed. Besides th [...]
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Ground Granulated Slag, from Blast furnace has been in use in Concrete as partial replacement of cement since a century. Benefits of this hydraulic material are well know [...]
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In order to reduce environmental loading, it is important to propose the way for the usage of large particles of Fly Ash. In this research, relationship between packing f [...]
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In this paper, effect of cement type and expansive additive content on resistance to both drying shrinkage cracking and thermal cracking of concrete using fly ash and gro [...]
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7.
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This study investigates performance of slag as an alternative cementitious binder against ordinary Portland cement (OPC), fly ash (FA) and palm oil fuel ash (POFA). To ac [...]
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The major environmental impact of concrete is caused by CO2-emissions during the cement production. Great potential for the reduction of the global warming potential and [...]
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Lime-pozzolan mortars are often used for the restoration of historical buildings. Several studies have been developed in regards to the use of waste in construction mater [...]
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The need to formulate mortar compositions with adequate durability and compatibility is nowadays one of the major challenges in historical buildings repair. The incorpora [...]
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This paper presents some preliminary results achieved within the scope of a research programme with the main objective of studying the effect of rice husk ash (RHA) parti [...]
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Experimental work has been carried out in order to describe the influence of hot mixing on the properties of hardened mortars in comparison with mortars made of lime hydr [...]
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13.
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This paper reports the potential reuse of incineration fly ash (IFA) as cement supplements in the production of engineered cementitious composites (ECC), a unique class o [...]
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14.
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Zacharopoulou, G.
The impact of the control of key parameters during the production chain (calcination, slaking, maturation) of a lime based binder was experimentally investigated under a [...]
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15.
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In this study, optimum combinations of the replacement ratios of fly ash (FA) and ground granulated blast-furnace slag (BS) with cement were examined from the aspect of p [...]
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An experimental investigation was conducted to study both the mechanical and durability performance of various specimens constructed with both high-volume fly ash concret [...]
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An experimental investigation was conducted to study the shear strength of full-scale beams constructed with both high-volume fly ash concrete (HVFAC) – concrete with a [...]
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18.
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An experimental investigation is carried out to study the effect of variation in sodium silicate to sodium hydroxide in the geopolymer concrete. Oven dry curing method is [...]
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19.
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Due to incentives to reduce greenhouse gas emissions during clinker production more and more of the clinker fraction of cement is being replaced with supplementary cement [...]
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20.
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Compressive strength of concrete cubes containing rice husk ash (RHA) at low specific surface pre-soaked with equal weight of water, at free water/cement (w/c) ratio of 0 [...]
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This study investigated the performance of two high-volume fly ash concrete (HVFAC) mixes with 70% replacement of Portland cement with a Class C fly ash (with one mix hav [...]
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22.
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The natural pozzolans studied are commercial products and come from the volcanic islands of Milos and Kimolos as well as North Greece mainland. The materials were charact [...]
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The present paper is directed towards development of statistical models for the evaluation of efficiency factors of fly ash so that its contribution on concrete strength [...]
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24.
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Concrete is one of the most commonly used among construction materials. Generally, concrete is produced by using Ordinary Portland Cement (OPC) as binder and it contribut [...]
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25.
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In this paper some production processes and possibilities of alkaline activation of fly ash are examined. This fly ash is used as a binder in new type of concrete without [...]
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26.
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Porous ceramic aggregate produced from roof tile waste was used as an internal curing agent. The aim of this study is to investigate the effect of the porous ceramic aggr [...]
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27.
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This study investigates the engineering properties of composite geopolymer mortar manufactured by replacing the slag with metakaolin of 0, 30 and 70% by weight, together [...]
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28.
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The development of innovative eco-efficient cementitious materials is, nowadays, a wide-spread concern to assure the sustainability of the built environment. In this scop [...]
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29.
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Low calcium fly ash-based geopolymer (LCFG) concrete binder, which results from the reaction of a source material rich in silica & alumina (low calcium fly ash) and a [...]
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30.
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The study aims at using Shirasu, which is a pyroclastic flow deposit like volcanic ash, as one of the binders in mortar or concrete. It is one of the unused natural resou [...]
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